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mapping webpart control with lookup column on pages library

Posted By:      Posted Date: May 22, 2011    Points: 0   Category :C#
 
hi

I have created two look up column in my pages library mapping with two list say c1 and c2.In the front end I  have added a webpart which renders a treeview and display the content of c1 and c2 list.
Now when the user select or modify any option in the tree view and publish the page then the values selcted should be updated in look up columns created in library.

I wrote the updated and updating event handler but in that I am unable to get the treeview control.

So can any one tell how can I map the selection in treeview to the look up column created in pages library


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